Portable data storage device



The present design is applied to a portable data storage device which can be connected to a USB (universal serial bus) port of any computer for input and output of data while a user carries the device.

FIG. 1 is a perspective view of a portable data storage device showing my new design.

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

A sectional view is omitted. 

I claim the ornamental design for a portable data storage device, as shown and described. 